53571057520

素因数分解:

$2^4\times 5^1\times {\mathrm{669638219}}^1$

素因数の和:669638232

約数の個数: 20

約数和(自身を含む): 124552708920

約数和(自身を除く): 70981651400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 669638219, 1339276438, 2678552876, 3348191095, 5357105752, 6696382190, 10714211504, 13392764380, 26785528760, 53571057520]

約数ペア:

[(1, 53571057520), (2, 26785528760), (4, 13392764380), (5, 10714211504), (8, 6696382190), (10, 5357105752), (16, 3348191095), (20, 2678552876), (40, 1339276438), (80, 669638219)]